ZF 0750.115.392 NEEDLE CAGE | OEM Genuine Part

Overview

The ZF 0750.115.392 NEEDLE CAGE is an OEM genuine component engineered to maintain precise roller alignment within the planetary gear sets of heavy-duty construction machinery transmissions. This needle cage sits directly between the sun gear and planetary gears, reducing friction and distributing load evenly during high-torque operations. As a critical wear item, the SKU 0750.115.392 ensures that rolling elements remain evenly spaced, preventing metal-to-metal contact that leads to premature gear failure. When paired with a 5838109007: DIFFERENTIAL, this needle cage supports smooth power transfer under extreme loads.

Symptoms of Failure

• Transmission whining or grinding noise during acceleration: A worn needle cage allows rollers to skew, creating audible metallic scraping sounds that intensify under load.
• Intermittent gear slipping under heavy load: As the cage loses structural integrity, roller spacing becomes irregular, causing momentary loss of torque transfer in construction equipment.
• Metallic debris in transmission fluid: Broken needle cage fragments contaminate the oil, often visible during routine fluid changes as silver or steel particles.
• Vibration in the driveline during low-speed operation: Uneven roller distribution from a failing cage creates harmonic vibrations felt through the chassis when maneuvering on job sites.

Technical Specifications

Compatibility

This needle cage is designed for ZF powershift transmissions commonly used in wheel loaders, excavators, and graders. Compatible models include the WG180, WG200, and WG210 series. It also fits select 4WG-200 and 6WG-200 variants. For optimal performance, always inspect the 0750117075: TAPER ROLLER BEARING and 2095209019: DIFFERENTIAL during replacement, as these components share load paths within the same planetary assembly.

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